I don’t think they’re the worst…

They have been long enough on the market and in all those years they have proven to be pretty honest to their customers, they’re also the kind of betting site that will help you with their customer service If you have any type of issue and that’s something you should be looking for in a betting site or sportsbook. Regarding the promos, I’ve seen a couple of them on their sites but they’re not permanent. If you really don’t like them, the good news is that right now we have more crypto betting sites and sportsbooks to choose from, you just have to do your research so you don’t get scammed, look for reviews, there are multiple sites that offer crypto sportsbooks and betting sites reviews, a good one is the Bookmaker’s Review site, maybe it will help you https://www.bookmakersreview.com/best-sportsbooks/